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.NET Multi-Target with MSBuild 15 Standard and Portable Library

Porting to the standard .NET version may be the original, identical to the portable library, but the supported platforms may not match.

For example, it .NET standard 1.6may be the lowest version in which your api is accessible from a portable Profile47. Profile47supports .net 4.5 or later, the nut .NET standard 1.6only supports 4.6.1 and later!

With the new multi- targeting with the new msbuild 15 csproj / fsproj (also VS2017) can you compile for both Portable Library and .NET Standard to simplify the transition?

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2 answers

The preliminary answer is correct, but in reality this is not enough. To get the correct behavior, you need to provide links to portable languages. There may also be other SDK links, and you will probably need an implicitly defined ifdefsas PROFILE328.

I wrote a NuGet package that you can add to your project that "does the right thing" here:

https://github.com/onovotny/MSBuildSdkExtras

Edit: csproj will look like this:

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <TargetFrameworks>netstandard1.6;portable-net45+sl5+win8</TargetFrameworks>
    <Description>YOUR DESCRIPTION</Description>
    <Company>YOUR COMPANY</Company>
    <Authors> YOUR AUTHORS </Authors>
    <Copyright>YOUR COPYRIGHT</Copyright>
    <AssemblyVersion>YOUR VERSION</AssemblyVersion>
    <FileVersion>YOUR VERSION</FileVersion>
    <PackageProjectUrl>YOUR PROJECT URL</PackageProjectUrl>
    <PackageLicenseUrl>YOUR LICENSE</PackageLicenseUrl>
    <PackageTags>YOUR TAGS</PackageTags>
    <IncludeSymbols>True</IncludeSymbols>
    <IncludeSource>True</IncludeSource>
    <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
    <PackageRequireLicenseAcceptance>True</PackageRequireLicenseAcceptance>
    <Version>YOUR NUGET VERSION</Version>
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="MSBuild.Sdk.Extras" Version="1.0.5" PrivateAssets="all" />
  </ItemGroup>

  <Import Project="$(MSBuildSDKExtrasTargets)" Condition="Exists('$(MSBuildSDKExtrasTargets)')" />
</Project>
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Yes , but it is not as obvious as cross-compiling .netstandardwith .net45or .net40, because these are not easy nicknames for your portable libraries, predefined.

sdk Microsoft.NET.TargetFrameworkInference.targets :

, , , :

   <PropertyGroup>
     <TargetFrameworks>portable-net451+win81;xyz1.0</TargetFrameworks>
   <PropertyGroup>
   <PropertyGroup Condition="'$(TargetFramework)' == 'portable-net451+win81'">
     <TargetFrameworkIdentifier>.NETPortable</TargetFrameworkIdentifier>
     <TargetFrameworkVersion>v4.6</TargetFrameworkVersion>
     <TargetFrameworkProfile>Profile44</TargetFrameworkProfile>
   </PropertyGroup>
   <PropertyGroup Condition="'$(TargetFramework)' == 'xyz1.0'">
     <TargetFrameworkIdentifier>Xyz</TargetFrameworkVersion>
   <PropertyGroup>

TargetFrameworkProfile. csproj/fsproj. . Nuget Target Frameworks.

TargetFrameworkIdentifier , .NETPortable

TargetFrameworkProfile , csproj/fsprog. C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETPortable\ v4.0, v4.5 v4.6 . :

v4.0

Profile1/    Profile143/  Profile2/    Profile3/    Profile4/   Profile6/
Profile102/  Profile147/  Profile225/  Profile328/  Profile41/  Profile88/
Profile104/  Profile154/  Profile23/   Profile336/  Profile42/  Profile92/
Profile131/  Profile158/  Profile24/   Profile344/  Profile46/  Profile95/
Profile136/  Profile18/   Profile240/  Profile36/   Profile47/  Profile96/
Profile14/   Profile19/   Profile255/  Profile37/   Profile5/

v4.5

Profile111/  Profile259/  Profile49/  Profile7/  Profile75/  Profile78/

v4.6

Profile151/  Profile157/  Profile31/  Profile32/  Profile44/  Profile84/

? , nuget, Nuget Target Frameworks . , - nuget, , TargetFrameworkVersion portable. , Profile47, v4.0, portable40-net45+sl5+win8

, DefineConstants. , , PROFILEXXX , .

<DefineConstants>$(DefineConstants);PROFILE47</DefineConstants>

, , , .

<ItemGroup Condition="'$(TargetFramework)'=='portable40-net45+sl5+win8'">
  <Reference Include="System" />
  <Reference Include="System.Core" />
  <Reference Include="System.Windows" />
</ItemGroup>

CSharp

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <TargetFrameworks>netstandard1.6;portable40-net45+sl5+win8</TargetFrameworks>
    <Description>YOUR DESCRIPTION</Description>
    <Company>YOUR COMPANY</Company>
    <Authors> YOUR AUTHORS </Authors>
    <Copyright>YOUR COPYRIGHT</Copyright>
    <AssemblyVersion>YOUR VERSION</AssemblyVersion>
    <FileVersion>YOUR VERSION</FileVersion>
    <PackageProjectUrl>YOUR PROJECT URL</PackageProjectUrl>
    <PackageLicenseUrl>YOUR LICENSE</PackageLicenseUrl>
    <PackageTags>YOUR TAGS</PackageTags>
    <IncludeSymbols>True</IncludeSymbols>
    <IncludeSource>True</IncludeSource>
    <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
    <PackageRequireLicenseAcceptance>True</PackageRequireLicenseAcceptance>
    <Version>YOUR NUGET VERSION</Version>
  </PropertyGroup>

  <PropertyGroup Condition="'$(TargetFramework)'=='portable40-net45+sl5+win8'">
     <TargetFrameworkIdentifier>.NETPortable</TargetFrameworkIdentifier>
     <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <TargetFrameworkProfile>Profile47</TargetFrameworkProfile>
     <DefineConstants>$(DefineConstants);PROFILE47</DefineConstants>
   </PropertyGroup>

  <ItemGroup Condition="'$(TargetFramework)'=='portable40-net45+sl5+win8'">
    <Reference Include="System" />
    <Reference Include="System.Core" />
    <Reference Include="System.Windows" />
  </ItemGroup>

</Project>

F #

* : F # - Mono Mac Visual Studio 2017 15.3 fsproj. , examples PackageReference FSharp.Compiler.Tools FSharp.Core 4.1 FSharp ( .)

<Project Sdk="FSharp.NET.Sdk;Microsoft.NET.Sdk" ToolsVersion="15.0">

  <PropertyGroup>
    <TargetFrameworks>netstandard1.6;portable40-net45+sl5+win8</TargetFrameworks>
    <Description>YOUR DESCRIPTION</Description>
    <Company>YOUR COMPANY</Company>
    <Authors> YOUR AUTHORS </Authors>
    <Copyright>YOUR COPYRIGHT</Copyright>
    <AssemblyVersion>YOUR VERSION</AssemblyVersion>
    <FileVersion>YOUR VERSION</FileVersion>
    <PackageProjectUrl>YOUR PROJECT URL</PackageProjectUrl>
    <PackageLicenseUrl>YOUR LICENSE</PackageLicenseUrl>
    <PackageTags>YOUR TAGS</PackageTags>
    <IncludeSymbols>True</IncludeSymbols>
    <IncludeSource>True</IncludeSource>
    <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
    <PackageRequireLicenseAcceptance>True</PackageRequireLicenseAcceptance>
    <Version>YOUR NUGET VERSION</Version>
  </PropertyGroup>

  <PropertyGroup Condition="'$(TargetFramework)'=='portable40-net45+sl5+win8'">
     <TargetFrameworkIdentifier>.NETPortable</TargetFrameworkIdentifier>
     <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <TargetFrameworkProfile>Profile47</TargetFrameworkProfile>
     <DefineConstants>$(DefineConstants);PROFILE47</DefineConstants>
   </PropertyGroup>

  <ItemGroup Condition="'$(TargetFramework)'=='portable40-net45+sl5+win8'">
    <Reference Include="System" />
    <Reference Include="System.Core" />
    <Reference Include="System.Windows" />
  </ItemGroup>

  <ItemGroup>
    <PackageReference Include="FSharp.Core" Version="4.1.*" />
    <PackageReference Include="FSharp.Compiler.Tools" Version="4.1.*" PrivateAssets="All" 
    />
    <PackageReference Include="FSharp.NET.Sdk" Version="1.0.*" PrivateAssets="All" 
    />
  </ItemGroup>

  <ItemGroup>
    <Compile Include="YourModule1.fs" />
    <Compile Include="YourModule2.fs" />
  </ItemGroup>

</Project>
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Source: https://habr.com/ru/post/1680989/

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